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Finding the Fourth Proportional to 514,253.64, 771,091.58 and 352,330.44

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Solution

The fourth proportional to 514,253.64, 771,091.58 and 352,330.44 is: 528,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,253.64 : 771,091.58 = 352,330.44 : x
  2. Step 2: Convert to fraction form
    514,253.64/771,091.58 = 352,330.44/x
  3. Step 3: Cross multiply
    514,253.64x = 771,091.58 × 352,330.44
  4. Step 4: Simplify right side
    514,253.64x = 271,679,035,661.70
  5. Step 5: Solve for x
    x = 271,679,035,661.70/514,253.64
  6. Step 6: Final answer
    x = 528,297.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.